Request Quote
(Ships tomorrow)
RG2012P-7872-B-T1 Equivalent & Substitute Parts
Part Overview
The RG2012P-7872-B-T1 is a 78.7 kOhms ±0.1% thin film chip resistor in 0805 (2012 Metric) package rated for 0.125W (1/8W) power dissipation. Manufactured by Susumu, this component features anti-sulfur coating and automotive AEC-Q200 qualification, suitable for high-reliability applications across -55°C to 155°C operating temperature range.
The RG2012P-7872-B-T1 is classified as obsolete. Equivalent and substitute parts are available from multiple manufacturers with identical or enhanced electrical and mechanical specifications, ensuring design continuity and supply chain flexibility.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Resistance | 78.7 kOhms |
| Tolerance | ±0.1% |
| Power Rating | 0.125W (1/8W) |
| Package / Case | 0805 (2012 Metric) |
| Composition | Thin Film |
| Temperature Coefficient | ±25ppm/°C |
| Operating Temperature Range | -55°C ~ 155°C |
| Features | Anti-Sulfur, Automotive AEC-Q200 |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution of the RG2012P-7872-B-T1 is determined by the following critical parameters:
Mandatory Matching Parameters:
- Resistance value: 78.7 kOhms
- Package / Case: 0805 (2012 Metric)
- Tolerance: ±0.1% or tighter
- Power rating: 0.125W minimum
- Composition: Thin Film
- Operating temperature range: -55°C to 155°C minimum
Acceptable Variation Parameters:
- Temperature coefficient: ±25ppm/°C or better (lower values acceptable)
- Packaging format: Tape & Reel acceptable for obsolete part replacement
- Manufacturer: Different manufacturers acceptable if electrical and mechanical specifications align
- Height variation: Within 0.026" (0.65mm) maximum seated height
Enhanced Specifications Acceptable:
- Tolerance tighter than ±0.1% (e.g., ±0.05%)
- Power rating higher than 0.125W
- Temperature coefficient lower than ±25ppm/°C
- Extended operating temperature range beyond -55°C ~ 155°C
Substitute parts are grouped into two categories: direct equivalents (identical specifications) and upgrades (enhanced specifications while maintaining backward compatibility).
Parameter Comparison
| Part Number | Manufacturer | Resistance | Tolerance | Power (W) | Temp Coeff (ppm/°C) | Op Temp Range | Height Max (mm) | Product Status | AEC-Q200 |
|---|---|---|---|---|---|---|---|---|---|
| RG2012P-7872-B-T1 | Susumu | 78.7 kΩ | ±0.1% | 0.125 | ±25 | -55 ~ 155 | 0.50 | Obsolete | Yes |
| RG2012P-7872-B-T5 | Susumu | 78.7 kΩ | ±0.1% | 0.125 | ±25 | -55 ~ 155 | 0.50 | Active | Yes |
| RG2012N-7872-B-T5 | Susumu | 78.7 kΩ | ±0.1% | 0.125 | ±10 | -55 ~ 155 | 0.50 | Active | Yes |
| RG2012N-7872-W-T1 | Susumu | 78.7 kΩ | ±0.05% | 0.125 | ±10 | -55 ~ 155 | 0.50 | Active | Yes |
| RG2012P-7872-W-T5 | Susumu | 78.7 kΩ | ±0.05% | 0.125 | ±25 | -55 ~ 155 | 0.50 | Active | Yes |
| 8-2176093-5 | TE Connectivity | 78.7 kΩ | ±0.1% | 0.25 | ±25 | -55 ~ 155 | 0.65 | Active | No |
| ERA-6AEB7872V | Panasonic | 78.7 kΩ | ±0.1% | 0.125 | ±25 | -55 ~ 155 | 0.60 | Active | Yes |
| MCU08050D7872BP100 | Vishay Beyschlag | 78.7 kΩ | ±0.1% | 0.125 | ±25 | -55 ~ 125 | 0.55 | Active | No |
| MCU08050D7872BP500 | Vishay Beyschlag | 78.7 kΩ | ±0.1% | 0.125 | ±25 | -55 ~ 125 | 0.55 | Active | No |
| RT0805BRD0778K7L | YAGEO | 78.7 kΩ | ±0.1% | 0.125 | ±25 | -55 ~ 155 | 0.60 | Active | No |
| TNPW080578K7BEEA | Vishay Dale | 78.7 kΩ | ±0.1% | 0.26 | ±25 | -55 ~ 175 | 0.55 | Active | Yes |
Engineering Selection Recommendations
Direct Equivalent (Identical Specifications):
RG2012P-7872-B-T5 is the direct equivalent to RG2012P-7872-B-T1. Both parts share identical electrical specifications (78.7 kΩ, ±0.1%, 0.125W, ±25ppm/°C) and mechanical dimensions. The primary difference is product status: RG2012P-7872-B-T5 is active and available in Tape & Reel packaging, making it the preferred replacement for obsolete RG2012P-7872-B-T1.
Susumu Upgrades (Enhanced Specifications):
RG2012N-7872-B-T5 and RG2012N-7872-W-T1 offer improved temperature coefficient performance (±10ppm/°C versus ±25ppm/°C). RG2012N-7872-W-T1 additionally provides tighter tolerance (±0.05% versus ±0.1%). Both maintain AEC-Q200 automotive qualification and active product status. These upgrades are suitable for applications requiring enhanced stability.
RG2012P-7872-W-T5 provides ±0.05% tolerance with active status while maintaining the original ±25ppm/°C temperature coefficient.
Cross-Manufacturer Alternatives (Identical Specifications):
ERA-6AEB7872V (Panasonic), RT0805BRD0778K7L (YAGEO), and MCU08050D7872BP100/BP500 (Vishay Beyschlag) provide equivalent 78.7 kΩ, ±0.1%, 0.125W specifications in 0805 package. ERA-6AEB7872V maintains AEC-Q200 qualification and -55°C ~ 155°C operating range. MCU series parts operate to 125°C maximum, limiting suitability for applications requiring full -55°C ~ 155°C range.
Higher Power Alternative:
8-2176093-5 (TE Connectivity) provides 0.25W (1/4W) power rating with identical resistance and tolerance. This part is suitable for applications requiring higher power dissipation capability. Note: AEC-Q200 qualification is not specified for this part.
Extended Temperature Range Alternative:
TNPW080578K7BEEA (Vishay Dale) extends operating temperature to 175°C maximum and provides 0.26W power rating. This part maintains AEC-Q200 qualification and anti-sulfur coating, suitable for high-temperature automotive applications.
Frequently Asked Questions (FAQ)
Q: Can RG2012P-7872-B-T5 directly replace RG2012P-7872-B-T1?
A: Yes. RG2012P-7872-B-T5 is a direct equivalent with identical electrical and mechanical specifications. The primary difference is packaging format (Tape & Reel versus bulk) and active product status, making it the recommended replacement for the obsolete RG2012P-7872-B-T1.
Q: What is the difference between RG2012P and RG2012N series?
A: The RG2012N series offers improved temperature coefficient performance (±10ppm/°C) compared to RG2012P series (±25ppm/°C). Both series maintain identical resistance, tolerance, power rating, and package specifications. Selection depends on application stability requirements.
Q: Can I use ERA-6AEB7872V instead of RG2012P-7872-B-T1?
A: Yes. ERA-6AEB7872V provides identical electrical specifications (78.7 kΩ, ±0.1%, 0.125W) and maintains AEC-Q200 automotive qualification. Physical dimensions are compatible with 0805 package footprints. Cross-manufacturer substitution is acceptable when specifications align.
Q: What is the significance of the "W" designation in part numbers like RG2012P-7872-W-T1?
A: The "W" designation indicates tighter tolerance specification (±0.05%) compared to parts without this designation (±0.1%). Parts with "W" designation provide enhanced precision and are suitable for applications requiring tighter resistance tolerances.
Q: Is MCU08050D7872BP100 suitable for applications requiring -55°C ~ 155°C operation?
A: No. MCU08050D7872BP100 operates to 125°C maximum, limiting its use to -55°C ~ 125°C range. For full -55°C ~ 155°C operation, select ERA-6AEB7872V, RT0805BRD0778K7L, RG2012P-7872-B-T5, or TNPW080578K7BEEA.
Q: Why would I select 8-2176093-5 over other alternatives?
A: 8-2176093-5 provides 0.25W (1/4W) power rating, double the standard 0.125W rating. Selection is appropriate for applications requiring higher power dissipation in the same 0805 package footprint. Note that operating temperature range matches the original part (-55°C ~ 155°C).
Q: Are all substitute parts RoHS3 compliant?
A: Yes. All listed substitute parts are RoHS3 compliant. Moisture Sensitivity Level is 1 (Unlimited) for all parts, indicating no special moisture handling requirements during storage or assembly.
Q: What is the advantage of TNPW080578K7BEEA for high-temperature applications?
A: TNPW080578K7BEEA extends maximum operating temperature to 175°C while maintaining AEC-Q200 qualification, anti-sulfur coating, and moisture-resistant characteristics. Power rating is 0.26W, providing additional thermal margin. This part is suitable for automotive applications with elevated temperature requirements.
Q: Can I mix different manufacturers' parts in the same design?
A: Yes. All listed substitute parts meet or exceed the electrical and mechanical specifications of RG2012P-7872-B-T1. Cross-manufacturer substitution is acceptable provided specifications align with design requirements. Verify compliance certifications (AEC-Q200, RoHS3) match application requirements.
Q: What packaging format should I specify for new designs?
A: Tape & Reel (TR) packaging is standard for active production parts and recommended for new designs. All active substitute parts listed are available in Tape & Reel format, ensuring supply chain consistency and automated assembly compatibility.
Alternative Parts
SJ6012L2TP
Littelfuse Inc.
6 Alternative Parts
JMK107BBJ476MA-RE
Taiyo Yuden
10 Alternative Parts
GMK107BBJ475MA-T
Taiyo Yuden
5 Alternative Parts
SJ6020N2ARP
Littelfuse Inc.
3 Alternative Parts
SJ6025R2ATP
Littelfuse Inc.
4 Alternative Parts
2474-05L
API Delevan Inc.
1 Alternative Parts
4590R-684K
API Delevan Inc.
1 Alternative Parts
CM6560R-334
API Delevan Inc.
1 Alternative Parts
CM6460-104
API Delevan Inc.
1 Alternative Parts
5526-12
API Delevan Inc.
1 Alternative Parts